| This is a copy of a table posted in a forum at battletechuniverse.org, slightly re-formatted to fit. I've no idea who the original author is, but thanks for creating it, whoever you are! This is very handy for those who want to design custom mechs, vehicles and aircraft for specific factions and eras. |
| Era | Weapon/ Item |
Capellan Confederation |
Draconis Combine |
Federated Suns |
Free Worlds League |
Lyran Alliance |
Comstar | Word of Blake | Periphery States* |
| Axe/Hatchet | 3030 | 3028 | 3025 | 3030 | 3022 | 3030 | 3030 | 3025 | |
| Artemis IV FCS | 3040 | 3045 | 3045 | 3035 | 3045 | Always | Always | 3065 | |
| Endo Steel | 3042 | 3035 | 3040 | 3042 | 3040 | Always | Always | 3065 | |
| NARC Missile Beacon |
3040 | 3045 | 3045 | 3035 | 3045 | Always | Always | 3065 | |
| Streak SRM2 | 3040 | 3040 | 3040 | 3035 | 3040 | Always | Always | 3054 (a) | |
| 3020-3045 | XL Engine | 3045 | 3045 | 3048 | 3045 | 3035 | Always | Always | 3065 |
| LB10-X Autocannon |
3040 | 3040 | 3035 | 3040 | 3037 | Always | Always | 3065 | |
| Ultra AC5 Autocannon |
3040 | 3040 | 3035 | 3040 | 3037 | Always | Always | 3065 | |
| MASC | 3035 | 3040 | 3040 | 3040 | 3040 | Always | Always | 3065 | |
| CASE | 3042 | 3036 | 3040 | 3045 | 3040 | Always | Always | 3065 | |
| Pulse Lasers | 3040 | 3037 | 3042 | 3039 | 3042 | Always | Always | 3054 (a) | |
| ER Large Laser | 3045 | 3037 | 3045 | 3039 | 3042 | Always | Always | 3065 | |
| ERPPC | 3040 | 3037 | 3042 | 3039 | 3042 | Always | Always | 3065 | |
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| Double Heat Sinks |
3045 | 3047 | 3040 | 3045 | 3042 | Always | Always | 3052 (a) | |
| Ferro Fibrous Armour |
3045 | 3040 | 3042 | 3045 | 3042 | Always | Always | 3052 (a) | |
| 3040-3050 | Anti-Missile System |
3045 | 3045 | 3040 | 3045 | 3040 | Always | Always | 3065 |
| Gauss Rifle | 3045 | 3040 | 3043 | 3040 | 3040 | Always | Always | 3065 | |
| Beagle Active Probe |
3045 | 3050 | 3048 | 3047 | 3048 | Always | Always | 3065 | |
| Guardian ECM Suite |
3045 | 3050 | 3048 | 3047 | 3048 | Always | Always | 3065 | |
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| C3 System | 3060 | 3050 | 3058 | 3060 | 3058 | 3060 | 3060 | N/A | |
| Triple Strength Myomer |
3050 | 3059 | 3055 | 3060 | 3055 | 3065 | 3065 | N/A | |
| Omni Technology |
3060 | 3052 | 3057 | 3058 | 3057 | 3058 | 3058 | 3065 | |
| Anti-Infantry Pods |
3056 | 3056 | 3056 | 3057 | 3056 | 3055 | 3055 | 3065 | |
| Light Gauss Rifle |
3063 | 3065 | 3065 | 3056 | 3065 | 3061 | 3061 | N/A | |
| 3050-3060 | Ultra AC2/ Ultra AC10 |
3058 | 3061 | 3059 | 3057 | 3060 | 3059 | 3059 | 3067 |
| Streak SRM4/ Streak SRM6 |
3060 | 3058 | 3059 | 3059 | 3069 | 3059 | 3059 | 3067 | |
| Medium Range Missiles |
3065 | 3058 | 3063 | 3064 | 3063 | 3065 | 3065 | N/A | |
| Sword | 3060 | 3058 | 3060 | 3060 | 3060 | 3060 | 3060 | 3060 | |
| LB2-X / LB5-X Autocannon |
3060 | 3060 | 3058 | 3060 | 3059 | 3061 | 3061 | N/A | |
| ER Small/ ER Medium Laser |
3060 | 3061 | 3059 | 3058 | 3060 | 3059 | 3059 | 3067 | |
| Ultra AC20 | 3061 | 3061 | 3060 | 3060 | 3059 | 3061 | 3061 | N/A | |
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| Heavy Gauss Rifle |
N/A | 3066 | 3067 | 3066 | 3061 | N/A | N/A | N/A | |
| Light Engine | 3067 | 3067 | 3066 | 3067 | 3062 | 3067 | 3067 | N/A | |
| Targeting Computer |
3067 | 3067 | 3062 | 3067 | 3065 | 3067 | 3067 | N/A | |
| Rotary Autocannon |
3067 | 3067 | 3062 | 3067 | 3065 | 3067 | 3067 | N/A | |
| 3061-3067 | Improved C3 Computer |
N/A | N/A | N/A | 3067 | N/A | 3062 | 3065 | N/A |
| Improved NARC |
N/A | N/A | N/A | 3067 | N/A | 3062 | 3065 | N/A | |
| Stealth Armour |
3063 | N/A | N/A | 3067 | N/A | N/A | 3067 | N/A (b) | |
| Rocket Launchers |
3065 | 3067 | 3066 | 3067 | 3067 | 3067 | 3067 | 3064 (c) |
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* Unless otherwise stated, Periphery dates relate to equipment availability to Taurian Concordat, Magistracy of Canopus and Outworlds Alliance only.
(a) Taurian Concordat only. Considered to be available to all other Periphery states by 3055. (b) Available only to Magistracy of Canopus and Taurian Concordat by 3067. (c) Marian Hegemony only. Magistracy of Canopus and Taurian Concordat by 3065. Other Periphery states by 3066. |